package com.example.lenovo.myapplication;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import java.util.ArrayList;

class StuAdapter extends RecyclerView.Adapter<StuViewHolder>{
    private Context context;
    private ArrayList<Student> studentArrayList;

    public StuAdapter(Context context, ArrayList<Student> studentArrayList) {
        this.context = context;
        this.studentArrayList = studentArrayList;
    }

    public void changeDate(ArrayList<Student> studentArrayList){
        this.studentArrayList=studentArrayList;
        notifyDataSetChanged();
    }
    @Override
    public int getItemCount() {
        return studentArrayList.size();
    }

    @Override
    public StuViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
               View view = LayoutInflater.from(context).inflate(R.layout.list_item, parent, false);
               StuViewHolder viewHolder = new StuViewHolder(view);
               return viewHolder;
    }

    @Override
    /**/
    public void onBindViewHolder(StuViewHolder holder, final int i) {
       final Student s = studentArrayList.get(i);
        holder.headView.setImageResource(s.getImgId());
        holder.nameView.setText(s.getName());
        holder.ageView.setText(String.valueOf(s.getAge()));

        holder.ivdel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                studentArrayList.remove(i);
                notifyDataSetChanged();
            }
        });

        /*点击事件 获取数据*/
        holder.view.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(context,s.getName()+" "+s.getAge(),Toast.LENGTH_LONG).show();
            }
        });
    }
}
